<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
		<title>Formas HTML</title>
	</head>
	<body>

		<table width="100%">
			<tr width="100%">
				<td align="left" width="50%">
						   
				</td>
				<td align="right" width="50%">
						   
				</td>
			</tr>
		</table>
      <hr>

      <h1>Formas HTML</h1>
      <h2>Select</h2>

      <form action="procesa.php" method="post" name="windows" id="windows" autocomplete="off">
  		<table width="30%"  border="0">
    		<tr align="center">
         	<td colspan="2"><h3>Sistema Operativo </h3></td>
         </tr>
         <tr align="center">
         	<td>Menu</td>
            <td>
              <select name="menu" id="menu" size="1">
                <option value="Windows">windows</option>
                <option value="Linux">linux</option>
                <option value="Unix">unix</option>
                <option value="MacIntosh">mac</option>
              </select>
            </td>
          </tr>
          <tr align="center">
            <td>Lista Individual</td>
            <td>
              <select name="listaIndividual" id="listaIndividual" size="5">
                <option value="Windows">windows</option>
                <option value="Linux">linux</option>
                <option value="Unix">unix</option>
                <option value="MacIntosh">mac</option>
              </select>
            </td>
          </tr>
          <tr align="center">
            <td>Lista Multiple</td>
            <td>
              <select name="listaMultiple[]" id="listaMultiple" size="5" multiple>
                <option value="Windows" selected>windows</option>
                <option value="Linux">linux</option>
                <option value="Unix" disabled>unix</option>
                <option value="MacIntosh" selected>mac</option>
              </select>
            </td>
          </tr>
          <tr>
            <td colspan="2">&nbsp;</td>
          </tr>
          <tr align="center">
            <td colspan="2">
              <input type="submit" name="enviar" id="enviar" value="Enviar">
              <input type="reset"  name="restablecer" id="restablecer" value="Restablecer">
            </td>
          </tr>
		</table>
		</form>

</body>
</html>